./gradlew clean assembleRelease
cp app/build/outputs/apk/city/release/app-city-release.apk /Users/charliu/Documents/norra/app-city-release.apk
#cp client/build/outputs/apk/release/client-release.apk /Users/charliu/Documents/norra/client-release.apk
cd /Users/charliu/Documents/norra/
git pull
git add --a
git commit -m "update apk"
git push